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Elements and Performance Criteria

  1. Fit and remove safety devices
  2. Prepare for aircraft egress system maintenance
  3. Inspect, test and maintain aircraft egress systems
  4. Remove and install aircraft egress system components
  5. Complete aircraft egress system maintenance operation

Required Skills

Required skills

Look for evidence that confirms skills in

applying relevant OHS procedures including selection and use of MSDS and PPE

fitment of applicable safety devices

egress system disarming and rearming

safely handling explosive components

conducting tests involving continuity gauging and measuring

identifying and selecting applicable items of specialist equipment and tools

using maintenance documentation hand tools specialist tools and equipment to perform egress system maintenance tasks

preparing removed explosive components for safe storage or transportation

Required knowledge

Look for evidence that confirms knowledge of

egress system construction layout and operation

operation characteristics and limitations of aircraft egress systems

effect of environmental conditions

colour coding marking and labels associated with egress systems

operation characteristics and limitations of specialist tools and equipment

egress system test procedures

safety precautions associated with explosive components

requirements for handling and disposal of explosive components

general OHS procedures applicable to egress system maintenance including applicable PPE

how to obtain and use MSDS

Evidence Required

The Evidence Guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package

Overview of assessment

A person who demonstrates competency in this unit must be able to maintain aircraft egress systems and system components while observing all relevant safety precautions

Critical aspects for assessment and evidence required to demonstrate competency in this unit

The underlying skills inherent in this unit should be transferable across a range of aircraft egress system maintenance activities It is essential that assessment confirms the ability to comply with organisational safety requirements and appropriate legislative and regulatory requirements while maintaining aircraft egress systems The ability to work safely within an explosive ordnance environment conduct applicable tests and maintain relevant documentation is critical

Evidence of transferability of skills and knowledge related to egress system maintenance is essential This is to be established through demonstration of the ability to

render the system safe

perform relevant inspections and tests replace components including disarming and rearming the system

perform appropriate maintenance tasks

The work plan should take account of applicable safety and quality requirements in accordance with the industry and regulatory standards

A person cannot be assessed as competent until it can be demonstrated to the satisfaction of the workplace assessor that the relevant elements of the unit of competency are being achieved under routine supervision on a range of tasks that is representative of the maintenance tasks tests and the range of nonexplosive and explosive components listed in the Range Statement This shall be established via the records in the Log of Industrial Experience and Achievement or where appropriate an equivalent Industry Evidence Guide

Context of and specific resources for assessment

Competency should be assessed in the workplace or simulated workplace using materials tools and equipment specified in the maintenance manuals and applicable procedures It is also expected that general and special purpose tools and ground support equipment would be used where appropriate

Access will also be required to facilities and resources used in the storage distribution or maintenance of explosive ordnance including a licensed explosive site

Method of assessment

Guidance information for assessment


Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Applicable maintenance documentation

Applicable maintenance documentation may include:

defect reports

maintenance releases containing details of unserviceabilities

modification orders or leaflets

service bulletins

instructions issued by airworthiness authorities

work instructions

servicing schedules

maintenance manuals

standards and drawings

applicable airworthiness and explosive ordnance regulations

standing instructions

quality manuals

safety manuals

maintenance and explosives records

Required maintenance tasks

Required maintenance tasks may include:

arming and de-arming

cleaning

component changes

painting

Egress system components

Non-explosive components may include:

barometric and gravitational sensing components

canopy jettison components

catapults

ejection seat railings and guns

inertia reels

parachute assemblies

pressure source bottles

survival equipment

Explosive components may include:

ejection handles

ejection seat cartridges and initiators

explosive connectors

explosive delay elements

flexible linear shaped charges

rocket motors

shielded mild detonating cord

special function cartridges

Application of this unit may relate to:

scheduled or unscheduled maintenance activities

individual or team-related activities

Procedures and requirements

Refer to industry standard procedures specified by manufacturers, regulatory authorities or the enterprise